This repair guide explains how to replace the main brush casing on a 500 series Roomba. For details on how to first disassemble your Roomba, please see Roomba 500 Series Servicing and Repair Guide Chapter 3: How to Open Up Roomba. Some of the 500 series Roombas are pictured below:
9
This is a companion discussion topic for the original entry at https://community.robotshop.com/blog/show/chapter-9-how-to-replace-roomba-500-series-main-brush-casing